Electrical component tester with test multiplexing



July 16, 1968 J. w o mc ET AL 3,392,830

ELECTRICAL COMPONENT TESTER WITH TEST MULTIPLEXING Filed June 29, 1965 24 Sheets-Sheet 1 INDEXING COMPLETED mosxmc COMPLETED 6\ START INDEXING SYSTEM CONTROL START mozxmc 1 START, LAST 5 FIRST TESTS @ggg SECOND HANDLER HANDLER FIRST Y SECOND PREFERENTIAL PREFERENTIAL. SORTING SORTING CONTROL CONTROL FIRST SECOND SORT SORT SHIFT SHIFT REGISTER REGISTER FIRST TOWER SECOND TOWER INVENTORS JOHN w. BRODERICK ROBERT E. DAWLEY ROBERT M. FIORENZA MICHAEL KOZAR HARRY L. LINEMAN ROLAND L. PIERSON FIG.1

ATTORNEY July 16, 1968 Filed June 29. 1965 J. w BRODERICK E ELECTRICAL COMPONENT TESTER WITH TEST MULTIPLEXING 24 Sheets-Sheet 2 SYSTEM CONTROL F|G 4 FIG. FIG.

LAST TEST COMPLETED i ,wcn 3o AT STATIONS 1&4 I" l' 35 l I (9 OR A 3061? 58/ l L I 721 A I 30b LAST TEST COMPLETED /46 -AT STATIONS 2&3 I l OR I 11 rLATCHBZ I L A l DLY 4a- FIRST HANDLER I rLATCHQO LATCH34\NI I as OR" A OR i J E 92 40b 7 49 I A I 7L A 1-] sscouo rLATCH54 SECQNWNDLER HANDLER F Y SS 5e r-'fi 64 COMPLETED A I y OR I l INDEXINPIE if 63 I I L H 790 I 84 L. I as? as; l

July 16, 1968 J. w BRODERICK ET AL 3,392,830

ELECTRICAL COMPONENT TESTER WITH TEST MULTIPLEXING Filed June 29, 1965 24 Sheets-Sheet SYSTEM CONTROL INDEX v 38 37 HHDLER FIRST HANDLERSINGLE REVOLUTION CLUTCH I I A {59 88 45 c'LLFT CYLI 55 89 40- l 1 14 UL L 44 45 51 J ,r 76 48V A f A 52 53 {REV l INDEX 82 85 SECOND HANDLER A SECOND HANDLER SINGLE REVOLUTION CLUTCH END or TESTS ra A SECOND HANDLER 400 END or nsrs rmsr HAHDLEH 36 *70 53 START. es 6? 68 7 69) 1551s F OR our ss 61* sEcoHD H HHHHHH 1 I 1 5a I I July 16, 1968 J. w BRODERICK ET Al. 3,392,830

-R WITH TEST MULTIPLEXING ELECTRICAL COMPONENT YES 24 Sheets-Sheet 4 Filed June 29, 1965 O 0 f v I F 0E 95% 95mm \T 9.8 m 5&3 v 55% n s swoE 55x8 is 9oz mom i fizam ,6. m 028% a z h uk- 3 82 E 3 5 2 5 2 r v I w dm 93mm whom 5&3 fa: m n mm $5.8m. Eummsu m E 5:9. 81 a u 55. c z I: a 1 @281 5; 3 3 s; 1 f r 95mm 934mm who. 1 5&3 m 53% u 258% wo 5o 2. m E on. 5n. Qzouww I J= 5K 0 c: 2: on @2 2; 12 95mm 93mm W61 5&8 0 55mm M 5352 5o 5B2 Sn 5m: m: z w :&a 2 3255 :K 2. 21 m 2."-

July 16, 1968 J w BRODERICK ET AL 3,392,830

ELECTRICAL COMPONENT TESTER WITH TEST MULTIPLEXING Filed June 29, 1965 24 Sheets-Sheet e FIG.8

July 16, 1968 J, w BRODERlcK ET AL 3,392,830

ELECTRICAL COMPONENT TESTER WITH TEST MULTIPLEXING Filed June 29, 1965 24 Sheets-Sheet 8 T0 LOGIC CIRCUITS T0 RELAY COILS 3 T0 TOWER CONTROL ,TO WALKING RING July 16, 1968 Filed June 29, 1965 J. W BRODERICK ET AL 24 Sheets-Sheet 9 500 FIG. 13

FROM SET Q5651 DIFFERENTIAL 505 I AMPLIFIERIZI soi 0R 504 Ex 12? AOR sea i 506 A RESET SAMPLING A10 1 564 PULSE FROM A TOWER CONTROL 511 -s12 w I I l START TEST s19 I 8 555 SORT 1 I 549 52o somz 542 L L 555 52 A 582 515 550 v E A57 soms 545; 1 536; 528 A sea 2514 July 16, 1968 Filed June 29, 1965 J. W BRODERICK ET ELECTRICAL COMPONENT TESTER WITH TEST MULTIPLEXING 24 Sheets-Sheet 10 slums 559 551 55s -51? 541; L l 540, 552 587 5111 l /541 omvi FIG. '4 11115 X 5 FIG.

FIG. FIG. 15 M July 16, 1968 ELECTRICAL COMPONENT LESTER WITH TEST MULTIPLEXING Filed June 29, 1965 .1. w BRODERICK 34 Sheets-Sheet 11 July 16, 1968 w B ODEm ET AL 3,392,830

ELECTRICAL COMPONENT TESTER WITH TEST MULTIPLEXING Filed June 29, 1965 24 Sheets-Sheet 12 DRIVER FIG.'17

July 16, 1968 .1 w BRODERICK ET AL 3,392,830

ELECTRICAL COMPONENT TESTER WITH TEST MULTIPLEXING Filed June 29, 1965 24 Sheets-Sheet l5 SWITCHING TIME METER j aa a al 'SWITCHING TIME METER INPUTS "SWITCHING TIME METER OUPUT comm; LINES ,cnouun P A.C. TEST TEST CAN OUTPUT 2 CAN Y s25 e50 PULSE SHAPER 85. MONOSTABLE July 16, 1968 J, w BRQDERICK ET AL 3,392,830

[ELECTRICAL COMPONENT TESTER WITH TEST MULTIPIJEXING Filed June 29, 1965 24 Sheets-Sheet 14 COLLECTOR VOLTAGE I FIG. I9 1 BASE I VOLTAGE --T g I Toff-Tr 45a SEC I I l -20n SEC Ton TRANSITION BASE COLLECTOR VOLTAGE VOLTAGE 2 T ff TRANSITION 0 I o 3 n EC 20n SEC 1 Toff-Tr T COLLECTOR BASE VOLTAGE V LTAGE l STORAGE TIME T 2| 55m SEC July 16, 1968 J. w BRODERICK ET AL 3,392,830

ELECTRICAL COMPONENT TESTER WITH TEST MULTIPLEXING Filed June 29, 1965 34 Sheets-Sheet 1-3 5&2 an: M5 252% 7 a L 5 Q 554153 35535; E NMQ (HM New J4 08m N3 2 @225 m2: :2 5 1% $22502 m m mwmwEw z 2 513%, $222185 5% O2 5 2 MBE M2282 V $22225 532 w as .2 E E 5: h h t 11 m =5 a w 0 2m 7 2 8a 622:: MW $5532 552 mwEw zT W N z EEEE mozziauwa 5% 5 $2 w wo v 322252 $52 mNdE a 2% as as July 16, 1968 J w BRoDEmcK ET AL.

ELECTRICAL COMPONENT TESTER WITH TEST MULTIPLEXING Filed June 29, 1965 24 Sheets-Sheet l3" mcmm mcON

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July 16, 1968 J. w BRODERICK ET 3,39

ELECTRICAL COMPONENT TESTER WITH TEST MULTIPLEXING Filed June 29, 1965 24 Sheets-Shet 18 FIG. 26

" July 16, 1 968 J. w BRODERICK ET AL 3,392,830

ELECTRICAL COMPONENT TESTER WITH TEST MULTIPLEXING Filed June 29. 1965 24 Sheets-Sheet 19 FIG. 2-7 as July 16, 1968 J. w BRODERICK ET AL 3,392,830

TESTER WITH TEST MULTIPLEXING ELECTRICAL COMPONENT 24 Sheets-Sheet 20 Filed June 29, 1965 FIG. 31

FIG. 32 

1. AN APPARATUS FOR TESTING ELECTRICAL COMPONENTS AND COMPRISING: A PLURALITY OF TEST LOCATIONS, ROTARY MEANS FOR CONVEYING EACH OF A SERIES OF COMPONENTS TO SAID TEST LOCATIONS IN SEQUENCE, MEANS FOR PERFORMING A PLURALITY OF ELECTRICAL TESTS AT EACH OF SAID TEST LOCATIONS ON EACH OF SAID COMPONENTS, AND MEANS TO ASSIGN A SORT CLASSIFICATION TO EACH COMPONENT IN ACCORDANCE WITH THE RESULTS OF SAID SEVERAL PLURALITIES OF TESTS PERFORMED THEREON. 